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Instruction Manual
748332-F
April 2003
3-10 Startup and Operation Rosemount Analytical Inc. A Division of Emerson Process Management
Model NGA2000 NDIR
Figure 3-10. Display Screens (2 of 5)
Zero/Span diagnostic data
Date of last zero: 24-08-94
Error message for last zero: 24-08-94
Error percentage for last zero: 5%
Raw signal at last zero: 500000
Last zero gas would read: -0.83 ppm
Date of last span: 24-08-94
Error message for last span: Great!
Error percentage for last span 5%
Raw signal at last span: 500000
The last span gas would read: 11.3 ppm
Range 1 (2,3,4) Factors
Manufacturer’s settings
Zero offset: 0
Span factor: 1000
Stored settings
Zero offset 500000
Span factor: 500000
Auxiliary module controls
This screen selects any module with a
control screen. This includes any auto
calibration or sample module bound to this
analyzer.
Module Tag
Module Tag
Module Tag
Module Tag
Module Tag
Module Tag
Module Tag
Module Tag
System Set Up
Front panel control...
Display resolution...
Auxiliary lines...
Expert controls
Measurement range number: 1
Range lower limit: 0 ppm
Range upper limit: 10 ppm
Linearizer: ON
Range and functional control: LOCAL
Zero/Span calibration...
Ranges with valid calibration: 1&2
Physical measurements...
Analyzer module set up...
and Auxiliary module set up... Outlined in the
next flow chart. Local I/O set up information is
included in the I/O Modules manual.
From MAIN MENU ⇒
Expert controls and setup
Expert analyzer controls...
Auxiliary module controls...
System set up...
Analyzer Module set up...
Auxiliary Module set up...
Local I/O set up...
Dependent on which auxiliary module is present
on the network. See I/O Modules manual.
See Platform manual for a flow chart
of these displays.
CAL
CAL DATA
FACTORS
FACTORS
See #1 on this flow chart
Physical Measurements
Sample flow: 1000 ml/min
Flow lower limit: 150 cc/min.
Flow upper limit: 250 cc/min.
Barometric pressure: 12.3 kPa
Case temperature: 54.3!C
Zero/Span Calibration
Measurement range number: 1
Zero gas concentration: 0 ppm
Span gas concentration: 9.89 ppm
Sample flow: 1000 ml/min.
Raw measurement signal: 0.3256 V
Ranges with valid calibration: 1&2
Status: Ready
Result...
Calibration adjustment limits: Enabled
#1
#2
Calibration Factors
Range 1 factors...
Range 2 factors...
Range 3 factors...
Range 4 factors...
Zero compensation factor: 1
Span compensation factor: 1
HISTORY
Range 1 (2,3,4) Factors
Zero offset: 500000
Span factor: 0.000015
Fullscale range at calibration: 10 ppm
Measurement range number: 1
Hardware zero offset: 0.0235 V
Raw measurement signal: 0.5250 V
#3